Pick up the three things the rebase left behind

app/views/pages/merchandise.html.erb

@@ -1,3 +1,6 @@
+<%# One product. The card below was pasted three times -- same image, same
+    .shirt_1 keys, same link -- so the page advertised a single T-shirt as
+    though it were a catalogue. A test below holds it to one. %>
 <article class="merchandise">
   <header>
     <h2><%= t('.title') %></h2>
@@ -17,31 +20,5 @@
         </div>
       </div>
     </div>
-    <div class="col">
-      <div class="card">
-        <%= image_tag 'OpenIPC-t-shirt-flo-blue.webp',
-                      alt: "Image: Model in an OpenIPC T-Shirt",
-                      title: "OpenIPC Official T-shirt in Florida Blue and White",
-                      class: 'card-image' %>
-        <div class="card-body">
-          <h2 class="card-title"><%= t('.shirt_1.title') %></h2>
-          <p><%= t('.shirt_1.description') %></p>
-          <a href="https://weededwords.com/product/openipc-t-shirt/"><%= t('.order_from_weededwords') %></a>
-        </div>
-      </div>
-    </div>
-    <div class="col">
-      <div class="card">
-        <%= image_tag 'OpenIPC-t-shirt-flo-blue.webp',
-                      alt: "Image: Model in an OpenIPC T-Shirt",
-                      title: "OpenIPC Official T-shirt in Florida Blue and White",
-                      class: 'card-image' %>
-        <div class="card-body">
-          <h2 class="card-title"><%= t('.shirt_1.title') %></h2>
-          <p><%= t('.shirt_1.description') %></p>
-          <a href="https://weededwords.com/product/openipc-t-shirt/"><%= t('.order_from_weededwords') %></a>
-        </div>
-      </div>
-    </div>
   </div>
 </article>

app/views/snapshots/index.html.erb

@@ -9,6 +9,11 @@
   <header>
     <h2><%= t('title.openwall') %></h2>
     <p><%=t('.subtitle') %></p>
+    <%# The wall is in the navigation and the footer now, so it gets visitors who
+        have not seen it before and cannot tell from a grid of stills whether
+        these were collected or volunteered. Two days is the retention
+        PurgeImagesJob::RETENTION actually enforces. %>
+    <p class="text-body-secondary small" style="max-width: 70ch"><i class="bi bi-camera-video me-1"></i><%= t('.intro_html') %></p>
   </header>
 
   <div class="row row-cols-1 row-cols-md-2 row-cols-xl-3 g-3 mb-4">

config/locales/en.yml

@@ -188,6 +188,7 @@ en:
     icon:
       snapshot_alt: 'Image: Snapshot'
     index:
+      intro_html: Every image here was uploaded voluntarily by a camera running OpenIPC firmware, and is deleted automatically after two days. Want to join? Enable the Open Wall option in your camera's web interface.
       no_signal: No signal
       snapshot_alt: 'Image: Snapshot'
       stay_tuned: stay tuned

config/locales/ru.yml

@@ -190,6 +190,7 @@ ru:
     icon:
       snapshot_alt: 'Изображение: снимок'
     index:
+      intro_html: Каждый снимок здесь добровольно загружен камерой с прошивкой OpenIPC и удаляется автоматически через два дня. Хотите присоединиться? Включите опцию Open Wall в веб-интерфейсе своей камеры.
       no_signal: Нет сигнала
       snapshot_alt: 'Изображение: снимок'
       stay_tuned: Следите за обновлениями

config/locales/zh.yml

@@ -188,6 +188,7 @@ zh:
     icon:
       snapshot_alt: 图片：快照
     index:
+      intro_html: 这里的每一张图片都是由运行 OpenIPC 固件的摄像机自愿上传的，并会在两天后自动删除。想加入吗？在你的摄像机 Web 界面中开启 Open Wall 选项即可。
       no_signal: 没信号
       snapshot_alt: 图片：快照
       stay_tuned: 敬请关注

test/controllers/legacy_pages_test.rb

@@ -0,0 +1,76 @@
+# frozen_string_literal: true
+
+require 'test_helper'
+
+# The pages that predate the relaunch and survived it.
+#
+# They are the ones nobody thinks about, and they render through the layout,
+# navbar and footer that the relaunch rewrote -- so a mistake in any of those
+# shows up here first, or not at all. Six of these were served by the app and
+# rendered by no test at all before this file.
+class LegacyPagesTest < ActionDispatch::IntegrationTest
+  # path => a string the page must contain, so the test fails on an empty or
+  # wrong render rather than merely on a non-200.
+  PAGES = {
+    '/green_life' => 'green_life',
+    '/merchandise' => 'merchandise',
+    '/our-team' => 'our_team',
+    '/stages-of-firmware-development' => 'stages_of_firmware_development',
+    '/utilities' => 'utilities',
+    '/web-interface' => 'web_interface',
+    '/majestic-endpoints' => 'majestic_endpoints',
+    '/tools/firmware-partitions-calculation' => 'firmware_partitions_calculation',
+    '/tools/high-resolution-timer' => 'high_resolution_timer',
+    '/tools/qr-code-generator' => 'qr_code_generator'
+  }.freeze
+
+  PAGES.each do |path, key|
+    test "#{path} renders" do
+      get path
+
+      assert_response :success
+      assert_includes response.body, I18n.t("pages.#{key}.title"),
+                      "#{path} rendered without its own title"
+      assert_no_match(/translation missing/i, response.body)
+    end
+  end
+
+  # These keep the layout's wrapper, unlike the relaunched pages. Asserting it
+  # here pins the other side of the content_for(:fullwidth) switch against the
+  # pages that actually depend on it.
+  test 'they render inside the layout wrapper' do
+    PAGES.each_key do |path|
+      get path
+
+      assert_not_empty css_select('main > div.container.mb-4'), "#{path} lost the wrapper"
+    end
+  end
+
+  # Every one of them renders the rewritten navbar and footer.
+  test 'they carry the navigation and the footer' do
+    PAGES.each_key do |path|
+      get path
+
+      assert_not_empty css_select('nav.navbar a.navbar-brand'), "#{path} has no navbar"
+      assert_not_empty css_select('footer.site-footer'), "#{path} has no footer"
+    end
+  end
+
+  # The page advertised a single T-shirt three times: the same image, the same
+  # .shirt_1 keys and the same link, pasted into three cards.
+  test 'merchandise lists each product once' do
+    get '/merchandise'
+
+    assert_equal 1, response.body.scan('weededwords.com').size
+  end
+
+  # The wall says what it is. It is linked from the navigation and the footer
+  # now, so it gets visitors who cannot otherwise tell whether the images were
+  # collected or volunteered.
+  test 'the Open Wall explains itself' do
+    get '/open-wall'
+
+    assert_response :success
+    assert_includes response.body, I18n.t('snapshots.index.intro_html')
+  end
+end

test/controllers/relaunch_pages_test.rb

@@ -103,6 +103,18 @@ class RelaunchPagesTest < ActionDispatch::IntegrationTest
     end
   end
 
+  # The link test above proves that whatever the homepage links resolves. It
+  # cannot notice a link that stopped being rendered at all -- a pillar card
+  # losing its href, or a section being dropped in a refactor -- so the
+  # destinations the homepage is *for* are named here explicitly.
+  test 'the homepage links every place it is supposed to send people' do
+    get '/'
+
+    %w[/get-started /low-latency /ecosystem /business /supported-hardware /open-wall /donate].each do |path|
+      assert_not_empty css_select(%(a[href="#{path}"])), "the homepage no longer links #{path}"
+    end
+  end
+
   # The integrator wall is territory-specific: these companies serve Russia and
   # were explicitly not to be shown to everyone.
   test 'Russian integrators appear for ru and for nobody else' do